Current File : //usr/src/linux-headers-5.15.0-43/arch/sparc/include/asm/sigcontext.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SPARC_SIGCONTEXT_H
#define __SPARC_SIGCONTEXT_H
#include <asm/ptrace.h>
#include <uapi/asm/sigcontext.h>
#ifndef __ASSEMBLY__
#define __SUNOS_MAXWIN 31
/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
struct sigcontext32 {
int sigc_onstack; /* state to restore */
int sigc_mask; /* sigmask to restore */
int sigc_sp; /* stack pointer */
int sigc_pc; /* program counter */
int sigc_npc; /* next program counter */
int sigc_psr; /* for condition codes etc */
int sigc_g1; /* User uses these two registers */
int sigc_o0; /* within the trampoline code. */
/* Now comes information regarding the users window set
* at the time of the signal.
*/
int sigc_oswins; /* outstanding windows */
/* stack ptrs for each regwin buf */
unsigned int sigc_spbuf[__SUNOS_MAXWIN];
/* Windows to restore after signal */
struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
};
/* This is what we use for 32bit new non-rt signals. */
typedef struct {
struct {
unsigned int psr;
unsigned int pc;
unsigned int npc;
unsigned int y;
unsigned int u_regs[16]; /* globals and ins */
} si_regs;
int si_mask;
} __siginfo32_t;
#define __SIGC_MAXWIN 7
typedef struct {
unsigned long locals[8];
unsigned long ins[8];
} __siginfo_reg_window;
typedef struct {
int wsaved;
__siginfo_reg_window reg_window[__SIGC_MAXWIN];
unsigned long rwbuf_stkptrs[__SIGC_MAXWIN];
} __siginfo_rwin_t;
#ifdef CONFIG_SPARC64
typedef struct {
unsigned int si_float_regs [64];
unsigned long si_fsr;
unsigned long si_gsr;
unsigned long si_fprs;
} __siginfo_fpu_t;
/* This is what SunOS doesn't, so we have to write this alone
and do it properly. */
struct sigcontext {
/* The size of this array has to match SI_MAX_SIZE from siginfo.h */
char sigc_info[128];
struct {
unsigned long u_regs[16]; /* globals and ins */
unsigned long tstate;
unsigned long tpc;
unsigned long tnpc;
unsigned int y;
unsigned int fprs;
} sigc_regs;
__siginfo_fpu_t * sigc_fpu_save;
struct {
void * ss_sp;
int ss_flags;
unsigned long ss_size;
} sigc_stack;
unsigned long sigc_mask;
__siginfo_rwin_t * sigc_rwin_save;
};
#else
typedef struct {
unsigned long si_float_regs [32];
unsigned long si_fsr;
unsigned long si_fpqdepth;
struct {
unsigned long *insn_addr;
unsigned long insn;
} si_fpqueue [16];
} __siginfo_fpu_t;
#endif /* (CONFIG_SPARC64) */
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_SIGCONTEXT_H) */
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